S7006 ACE/HCP4ADBA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7006 ACE/HCP4ADBA
Basic Information
System of measurement
Metric
Weight
0.21 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.004mm to 0
Width
26 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3218 lbf
Radial static load rating
2250 lbf
Limiting speed
71.5 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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S7006 ACE/HCP4ADBA Bearing Product Overview & Core Advantages
The S7006 ACE/HCP4ADBA is a precision duplex angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. This P4A tolerance class bearing features a back-to-back (DB) matched arrangement, providing superior stability and the ability to withstand combined loads—significant radial loads and bidirectional axial loads simultaneously. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and reduced rotational inertia. Pre-lubricated with grease and sealed for protection, it offers a reliable, long-service-life solution for high-precision machinery.
S7006 ACE/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S7006 | Standard bearing series and size designation (30mm bore, 55mm OD). |
| ACE | Indicates a 25° contact angle and Extra Light (A) preload. |
| HC | Signifies the use of Hybrid Ceramic balls (Silicon Nitride). |
| P4A | Denotes an ultra-precision tolerance class exceeding ABEC 7 standards. |
| DB | Specifies the Duplex Back-to-Back matched arrangement. |
| A | Reiterates the Extra Light preload classification for minimal running torque. |
S7006 ACE/HCP4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back (DB) arrangement creates a wide, rigid support system that effectively resists moment loads, ensuring exceptional shaft positioning accuracy and system stiffness.
- Superior Load Capacity: The 25° contact angle is optimized to handle significant combined radial and axial loads from both directions, making it ideal for complex loading conditions.
- Exceptional High-Speed Performance: The combination of low-density ceramic balls and a lightweight, robust phenolic cage reduces centrifugal forces and friction, enabling a very high limiting speed of 71,500 rpm.
- Precision & Longevity: Manufactured to P4A tolerance class with a sealed design and pre-lubrication, this bearing ensures smooth, quiet operation, minimal maintenance, and a long operational life in demanding environments.
S7006 ACE/HCP4ADBA Bearing Typical Application Areas
This high-precision duplex angular contact ball bearing is engineered for the most demanding applications, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring extreme rigidity and accuracy.
- High-Frequency Spindles: PCB drilling and routing spindles where maximum rotational speed is critical.
- Precision Robotics: In robotic arm joints and actuators for precise, high-speed movement.
- Advanced Medical Equipment: Dental handpieces and surgical drill motors.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other instrumentation requiring high precision and reliability.
